chore(yamllint): add `.git/` to ignores [skip ci]
chore(yamllint): add `.git/` to ignores [skip ci]

* Automated using https://github.com/myii/ssf-formula/pull/297

saltstack-formulas/apt-cacher-formula,saltstack-formulas/apt-cacher-formula,saltstack-formulas/apt-cacher-formula